Whoever has really sacrificed anything, knows that he wanted and got something in return.

You may have enemies whom you hate, but not enemies whom you despise. You must be proud of your enemy: then the success of your enemy shall be your success too.

I teach you the Overman. Man is something that shall be overcome. What have you done to overcome him? ... The time has come for man to set himself a goal. The time has come to plant the seed to his highest hope.

In the world of high finance the shilling of the idle rich man can buy more than that of the poor, industrious man.

A joke is an epigram on the death of a feeling.

Against the censurers of brevity. - Something said briefly can be the fruit of much long thought: but the reader who is a novice in this field, and has as yet reflected on it not at all, sees in everything said briefly something embryonic, not without censuring the author for having served him up such immature and unripened fare.

Whatever a theologian regards as true must be false: there you have almost a criterion of truth.